
Research Square (Research Square), Journal Year: 2024, Volume and Issue: unknown
Published: Dec. 27, 2024
Language: Английский
Research Square (Research Square), Journal Year: 2024, Volume and Issue: unknown
Published: Dec. 27, 2024
Language: Английский
Expert Systems with Applications, Journal Year: 2024, Volume and Issue: 255, P. 124857 - 124857
Published: July 23, 2024
Language: Английский
Citations
19Arabian Journal for Science and Engineering, Journal Year: 2024, Volume and Issue: 49(5), P. 7029 - 7052
Published: Jan. 23, 2024
Abstract With the increasing integration of renewable energy sources into distribution and transmission networks, efficiency cascade H-bridge multilevel inverters (MLIs) in power control applications has become increasingly significant for sustainable electricity generation. Traditionally, obtaining optimal switching angles MLIs to minimize total harmonic distortion (THD) requires solving selective elimination equations. To this end, research aims use two recently developed intelligent optimization algorithms, dandelion optimizer gold rush optimizer, solve problem. evaluate effectiveness proposed an eleven-level cascaded MLI (CHB-MLI) was considered study. Simulation results different modulation indices were obtained, accuracy solution quality compared with genetic algorithm particle swarm algorithms. MATLAB/Simulink-based models used verify numerical computations, ensuring reliability findings. This contributes field by providing insights minimizing THD applying
Language: Английский
Citations
6Energies, Journal Year: 2023, Volume and Issue: 16(10), P. 3998 - 3998
Published: May 9, 2023
Shunt Adaptive Power Filter (SAPF) is widely used in the performance of power quality improvement activities supply industry for processing industries or civil sources world today based on its simplicity, transparency, high reliability, efficiency, and their powerful compensating current-providing nature. The PI controller integrated into SAPF operation mechanism works with extra efficiency selecting current to compensate lost generated due harmonics by Kp, Ki parameter values. system operates PWM method bridge rectifier circuits that perform function appropriate current, providing correct compensation amount loss supply. Adjusting reach optimal value different methods a promising popular research direction at present. serves right purpose generate enough pulses excite rectifiers just be compensated commonly adjustment include Ziegler Nichols closed-loop vibration method, P-Q theoretical several other methods. This study conducts comprehensive review literature modern strategies adjusting parameters suite using meta-heuristic optimization method. performs classification according mode adjust control select frequency activate most meet goal improving accordance IEEE 519-2022 standard, leading total harmonic distortion (THD) below 5%. presents detail some algorithms, including applications, mathematical equations, implementation flow charts provides open problems future research. main objective this provide an overview applying algorithms tuning controllers.
Language: Английский
Citations
13Scientific Reports, Journal Year: 2025, Volume and Issue: 15(1)
Published: Jan. 15, 2025
Abstract This article presents an innovative asymmetric multilevel inverter (MLI) topology that outperforms conventional counterparts. The introduced a breakthrough in implementing power electronics control by maximizing specific levels while minimizing switching components. A cutting-edge scheme for optimal operation of the cascaded half-bridge MLI is presented. ant lion optimization (ALO) algorithm was implemented to optimize reduce total harmonic distortion (THD) and improve quality. For verification, performance effectiveness ALO technique are assessed comparing its results those obtained using simplified sinusoidal pulse width modulation (SSPWM) technique, genetic (GA), particle swarm (PSO) existing literature. Simulation verified efficacy finding parameters. suggested method showcases remarkable reduction THD compared SSPWM. quality resulting waveform enhanced, both filter size cost were significantly reduced. To meet stringent IEEE standards, LC has been designed with minimal proper requirements. Experimental validation scheme, dSPACE R&D controller board unequivocally, confirmed robustness effectiveness. groundbreaking study not only introduces superior but also validates exceptional through comprehensive analysis experimentation. experimental waveforms showed good matching simulation outcomes. findings hold immense promise advancing field system revolutionizing designing implementation efficient cost-effective systems.
Language: Английский
Citations
0Engineering Research Express, Journal Year: 2025, Volume and Issue: 7(1), P. 015341 - 015341
Published: Jan. 29, 2025
Abstract The reduced switch multilevel inverters are used in many applications specially renewable energy system. They have a smaller number of semiconductor devices, complexity and thus lower cost power losses. A reduced-switch (MLIs) with quadruple boosting capability been investigated this study by implementing an optimized harmonic pulse width modulation (OPWM) technique. As example, nine-level inverter, operating at fundamental frequency, is analysed to reduce the dominant order harmonics such as third, fifth, seventh-order output voltage along control on component. particle swarm optimization (PSO) algorithm employed obtain optimize switching angles using constrained nonlinear objective function. computational results simulate boost inverter shows significant reduction harmonics. simulation verified prototype inverter.
Language: Английский
Citations
0Energies, Journal Year: 2025, Volume and Issue: 18(8), P. 2065 - 2065
Published: April 17, 2025
The world is increasingly turning to renewable energy sources (RES) address climate change issues and achieve net-zero carbon emissions. Integrating RES into existing power grids necessary for sustainability because the unpredictability irregularity of can affect grid stability generate quality issues, leading equipment damage increasing operational costs. As a result, importance severely compromised. To tackle these challenges, traditional systems (TPS) will have become more innovative. Smart use advanced technology such as two-way communication between consumers service providers, automated control, real-time monitoring manage flow effectively. Inverters are effective tools solving problems in renewable-powered smart grids. However, their effectiveness depends on topology, control method design. This review paper focuses role multilevel inverters (MLIs) mitigating voltage sag, swell total harmonics distortion (THD). results shown here through simulation studies using DC but be extended RES-integrated comprehensive also examines drawbacks TPS understand necessity developing system. Finally, discusses future trends MLI technology, addressing environments.
Language: Английский
Citations
0Journal of Energy Storage, Journal Year: 2023, Volume and Issue: 75, P. 109671 - 109671
Published: Nov. 16, 2023
Language: Английский
Citations
10International Journal of Emerging Electric Power Systems, Journal Year: 2024, Volume and Issue: unknown
Published: Feb. 9, 2024
Abstract In this paper, a selective harmonic elimination (SHE) method for an asymmetric cascade H-bridge multi-level inverter (ACHB-MLI) has been performed by using hybrid search space reduction and Newton–Raphson (SSR-NR) algorithm. Three H-bridges are cascaded in single phase configuration, while each of the bridge is fed with V dc , 3 6 respectively. This particular combination sources will produce 10 possible switching combinations 21-levels output voltage ranging from −10 to +10 . Hence, there be SHE equations corresponding fundamental harmonics, solution angles which satisfy those equations. While traditional gradient-based techniques like can yield global optimal equations, they necessitate initial guess. Conversely, meta-heuristic methods often face challenges related sub-optimal convergence. To address these issues, novel SSR-NR algorithm introduced paper. combines stochastic deterministic elements, offering promising solving first step, evolutionary SSR used given NR as guess converge final solution, way proposed able drawbacks both algorithms such requirement convergence characteristics algorithms. The simulations were carried out Matlab/simulink environment 21-level ACHB-MLI. results obtained showcase efficacy For demonstrating effectiveness also compared other particle swarm optimization grey wolf optimizer well. Further, experimental on laboratory prototype dSPACE DS1104 R&D controller board presented validate methodology.
Language: Английский
Citations
3Engineering Reports, Journal Year: 2024, Volume and Issue: 6(10)
Published: March 13, 2024
Abstract The use of a multilevel inverter has received significant attention in recent years due to its numerous advantages. Because the widespread inverters industries and applications that require wide range voltages, achieving high‐quality voltage presented number challenges. Many studies have been carried out address problem unwanted harmonics inverters. switching can be done at low frequency using Selective Harmonic Elimination (SHE) technique, significantly reduced; however, issue with SHE is solving transcendental equations determining optimum angle. To this problem, new improved hybrid algorithm proposed combines two evolutionary algorithms, gray wolf optimization (GWO) an convergence factor Differential evolution (DE) dynamic scaling crossover operator. In paper, angles for packed U cell 5‐level are estimated distinct modulation index values, simulation results compared different algorithms. result algorithm, IGWO‐DE confirmed through experiment.
Language: Английский
Citations
2Eng—Advances in Engineering, Journal Year: 2023, Volume and Issue: 4(3), P. 1761 - 1786
Published: June 24, 2023
This paper presents the minimization of total harmonic distortion in a seven-level cascaded H-bridge multilevel inverter with resistive load using teaching–learning-based optimization algorithm. The Total Harmonic Distortion (THD)is challenging problem due to fact that nonlinear equations are involved. Recently, bio-inspired algorithms have become very popular approaches solving various problems different areas engineering. For this reason, results obtained Teaching–Learning-Based Optimization (TLBO)algorithm were compared three other algorithms, genetic algorithm, differential evolution, and particle swarm optimization. comparative analysis, conducted by sweeping modulation index, made it possible obtain graphs data on behavior four analyzed algorithms. Finally, was concluded TLBO algorithm is effective able solve THD-minimization problem. Its main advantage over does not require control parameters for its correct operation solution
Language: Английский
Citations
4